datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,06 0:30:00,30 ,       0,2.228303,  0.1683, 0.51248
sgpcmbeC1.c1,2001,06 1:30:00,29 ,       0,1.992975,0.166464, 0.46063
sgpcmbeC1.c1,2001,06 2:30:00,29 ,       0,1.613091, 0.11097,0.336896
sgpcmbeC1.c1,2001,06 3:30:00,29 ,       0,2.001944,0.160046,0.497877
sgpcmbeC1.c1,2001,06 4:30:00,30 ,       0,1.999432,0.217693,0.552269
sgpcmbeC1.c1,2001,06 5:30:00,30 ,0.940851,27.18465,18.55878,7.402523
sgpcmbeC1.c1,2001,06 6:30:00,30 ,4.213119,104.9691,45.44028,20.70749
sgpcmbeC1.c1,2001,06 7:30:00,30 ,16.55737,119.6501,61.68403,21.91968
sgpcmbeC1.c1,2001,06 8:30:00,30 ,16.64562, 157.906,72.23067,32.97382
sgpcmbeC1.c1,2001,06 9:30:00,30 ,28.82879,249.0499,87.83484,65.31307
sgpcmbeC1.c1,2001,0610:30:00,30 ,7.033167,303.6576,116.3321,98.30308
sgpcmbeC1.c1,2001,0611:30:00,30 ,15.59198,297.5257,123.1686,  100.13
sgpcmbeC1.c1,2001,0612:30:00,30 ,3.132544,390.2507,124.3055,117.5554
sgpcmbeC1.c1,2001,0613:30:00,30 ,13.66234,380.9415,121.4931,105.9103
sgpcmbeC1.c1,2001,0614:30:00,30 ,29.06783,304.1532,112.1088, 89.6642
sgpcmbeC1.c1,2001,0615:30:00,30 ,35.70462,233.9308,90.20783,63.75495
sgpcmbeC1.c1,2001,0616:30:00,30 ,31.97876,154.8868,73.13656,33.30857
sgpcmbeC1.c1,2001,0617:30:00,30 ,17.13747,127.3923,70.89693,24.58358
sgpcmbeC1.c1,2001,0618:30:00,30 ,16.38408,95.33051, 51.0836,18.44465
sgpcmbeC1.c1,2001,0619:30:00,30 ,       0,35.48851,20.13166,10.51506
sgpcmbeC1.c1,2001,0620:30:00,30 ,       0,1.347522,0.107488,0.315882
sgpcmbeC1.c1,2001,0621:30:00,30 ,       0,2.521795,0.208504,0.596222
sgpcmbeC1.c1,2001,0622:30:00,30 ,       0,1.859994,0.208192,0.541817
sgpcmbeC1.c1,2001,0623:30:00,30 ,       0,1.639808,0.146493,0.423121